CA2694875C - Procede faisant appel a des enzymes cellulases pour produire de l'alcool et du glucose a partir d'une charge lignocellulosiques pretraitee - Google Patents

Procede faisant appel a des enzymes cellulases pour produire de l'alcool et du glucose a partir d'une charge lignocellulosiques pretraitee Download PDF

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Publication number
CA2694875C
CA2694875C CA2694875A CA2694875A CA2694875C CA 2694875 C CA2694875 C CA 2694875C CA 2694875 A CA2694875 A CA 2694875A CA 2694875 A CA2694875 A CA 2694875A CA 2694875 C CA2694875 C CA 2694875C
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Prior art keywords
cellulose
glucose
stream
process according
unhydrolyzed cellulose
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CA2694875A1 (fr
Inventor
Jeffrey S. Tolan
Brian E. Foody
Stephen A. Rowland
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Iogen Energy Corp
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Iogen Energy Corp
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
    • C07H3/02—Monosaccharides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/001—Processes specially adapted for distillation or rectification of fermented solutions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/02—Monosaccharides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00—Preparation of oxygen-containing organic compounds
    • C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06—Ethanol, i.e. non-beverage
    • C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
    • C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
    • C13K1/00—Glucose; Glucose-containing syrups
    • C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/195—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Emergency Medicine (AREA)
  • Molecular Biology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

L'invention porte sur un procédé qui permet de produire du glucose et de l'éthanol à partir d'une charge lignocellulosique prétraitée. Ledit procédé consiste : à soumettre la charge lignocellulosique prétraitée à une hydrolyse enzymatique par des enzymes cellulases afin d'obtenir une suspension d'hydrolysat comprenant du glucose et de la cellulose non hydrolysée; et à faire fermenter la suspension d'hydrolysat lors d'une réaction de fermentation afin d'obtenir un jus de fermentation comprenant de l'alcool. On obtient alors un flux de traitement comprenant de la cellulose non hydrolysée, que l'on soumet à une étape de dénaturation consistant de préférence à exposer la cellulose non hydrolysée à des températures élevées afin de produire un flux traité thermiquement comprenant de la cellulose non hydrolysée. On soumet ensuite le flux traité thermiquement comprenant de la cellulose non hydrolysée à une hydrolyse supplémentaire par des enzymes cellulases afin d'hydrolyser la cellulose en glucose..
CA2694875A 2007-08-02 2008-07-31 Procede faisant appel a des enzymes cellulases pour produire de l'alcool et du glucose a partir d'une charge lignocellulosiques pretraitee Active CA2694875C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95354707P 2007-08-02 2007-08-02
US60/953,547 2007-08-02
PCT/CA2008/001409 WO2009015481A1 (fr) 2007-08-02 2008-07-31 Procédé faisant appel à des enzymes cellulases pour produire de l'alcool et du glucose à partir d'une charge lignocellulosiques prétraitée

Publications (2)

Publication Number Publication Date
CA2694875A1 CA2694875A1 (fr) 2009-02-05
CA2694875C true CA2694875C (fr) 2016-10-18

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CA2694875A Active CA2694875C (fr) 2007-08-02 2008-07-31 Procede faisant appel a des enzymes cellulases pour produire de l'alcool et du glucose a partir d'une charge lignocellulosiques pretraitee

Country Status (7)

Country Link
US (1) US8980599B2 (fr)
EP (1) EP2185715A4 (fr)
CN (1) CN101815788B (fr)
AU (1) AU2008281283A1 (fr)
BR (1) BRPI0814755B1 (fr)
CA (1) CA2694875C (fr)
WO (1) WO2009015481A1 (fr)

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Also Published As

Publication number Publication date
CN101815788B (zh) 2016-01-20
WO2009015481A1 (fr) 2009-02-05
EP2185715A4 (fr) 2012-07-11
BRPI0814755A2 (pt) 2016-03-22
CN101815788A (zh) 2010-08-25
AU2008281283A1 (en) 2009-02-05
EP2185715A1 (fr) 2010-05-19
US20090035826A1 (en) 2009-02-05
CA2694875A1 (fr) 2009-02-05
US8980599B2 (en) 2015-03-17
BRPI0814755B1 (pt) 2017-12-12

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